The least number of units, x, that should be produced in order for the average total cost per unit to be $7 or less is 600 units.
Average total cost
- Initial cost = $1,200
- Cost of producing each unit = $5
- Number of units = x
Total cost = 1200 + 5x
Average total cost per unit = $7
Average total cost = Total cost / number of units
7 = (1200 + 5x) / x
cross product
7 × x = 1200 + 5x
7x = 1200 + 5x
7x - 5x = 1200
2x = 1200
x = 1200/2
x = 600 units
Therefore, the least number of units, x, that should be produced in order for the average total cost per unit to be $7 or less is 600 units
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